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    Mercruiser 5.7 no trim up or guages

    Got my boat out the other day with 5.7 Mercruiser (engine serial #0F065074) went to trim it up with the three way switch on the throttle and trim up would not work, nor did any of my gauges. Trim down works as does the trailer trim up button. I am able to measure12V under the dash for all...
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    5.7 Poor Idle

    Experienced problem with my is a MCM 350 5.7 Mercruiser w/ a alpha 1 outdrive with thunderbolt ignition, engine serial #0f05074 and Weber 4bbl carb. Last weekend began to bog down at idle speed. Ran WOT at 4300rpm and ran fine until the second I would try to idle again. Towed home and pulled...
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    5.7 Mercruiser backfiring under load

    Hi Guys- I've used the forum for awhile, but this is my first post so I apologize for the length of the post and any info that may be missing. The engine in question is a 5.7 Mercruiser in my 93 Larson w/ a alpha 1 outdrive with thunderbolt ignition, engine serial #0f05074 and what I believe to...
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